Re: PROBLEM: USB ACM device does not work

From: Oliver Neukum
Date: Wed Jul 01 2009 - 07:37:48 EST


Am Mittwoch, 1. Juli 2009 13:24:55 schrieb Arseniy Lartsev:
> On Wednesday 01 July 2009 14:56:46 Oliver Neukum wrote:
> > > + ep = (usb_pipein(acm->rx_endpoint) ? acm->dev->ep_in :
> > > acm->dev->ep_out) + [usb_pipeendpoint(acm->rx_endpoint)];
> > > + if (usb_endpoint_xfer_int(&ep->desc))
> > > + usb_fill_int_urb(rcv->urb, acm->dev,
> > > + acm->rx_endpoint,
> > > + buf->base,
> > > + acm->readsize,
> > > + acm_read_bulk, rcv, 0xff);
> >
> > The patch is good except for this.
> > We should make sure this interval matches usbcore's value.
> > Would you care to redo it with that change?
>
> Am I right that 0xff here should be changed to ep->desc.bInterval (and to
> epwrite->bInterval in the other call to usb_fill_int_urb)?

Yes, exactly. Please add greg@xxxxxxxxx into CC, add a Signed-off-by line
and resend.

Regards
Oliver

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